/* 
.nav {
	float: left;
	background-color: #EADCAE;
	padding-bottom: 10px;
	background:"blue";
	height: 80%; 
	width: 30%;
}
.contenido {
	
    background:red;
	padding: 10px 0;
	width: 780px;
    height: 80%;
    width: 70%;
    float:right;
}
*/